Students and Teachers Forum

We wear clothes because - clothes protect us from heat. - clothes protect us from .....

The work done by a force depends upon: (i) The magnitude of the force. (ii) The magnitude of the displacement and (iii) The angle between force and .....

(a) Kinetic energy into potential energy. (b) Potential energy into kinetic energy. (c) Chemical energy into heat .....

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We need food because - food keeps us healthy. - food helps us to .....

Fossils are the impressions or remains of animals and plants preserved in the rocks over a million years .....

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If a body covers unequal distance in equal time interval or covers equal distance in unequal time interval is called non-uniform .....

The unit of force is called a derived unit because it is derived from the three fundamental units kilogram, metre and .....

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The physical quantities which are independent of other physical quantities are called fundamental .....

परेवा भुर्र उड्यो .....

Non-living .....

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पोथीले अन्डा पार्छ .....

गीता कपाकप खाना खान्छे .....

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At a thermal power station, the chemical energy of coal is changed into heat energy which is further changed into electrical energy with the help of an electric .....

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The chemical energy of the food changes into heat and then to muscular energy. On paddling, the muscular energy changes into mechanical .....

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When we wind our watch, we wind the spring inside the watch. As a result, energy is stored in the spring in the form of elastic potential energy. This elastic potential energy is used to make the watch work the whole day. .....

The work done is zero. This is because the gravitational force and displacement are perpendicular to each .....

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Work is said to be done if force acting on an object displaces it through a certain distance. Work done is negative if force and displacement are in the opposite .....

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Definitely, the density of population is very high in the monsoon region. The reasons behind this are mentioned in the points below: The climate is suitable for agricultural activities so, people are attracted to this region for the purpose of .....

Yes, it is possible, when the force is perpendicular to the direction of motion. The moon revolving round the earth under the centripetal force of attraction of the earth but earth does not do any work on the motion of The .....

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त्यो बिरालो हो .....

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Nepali and .....

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Sn = a(rn - 1)/(r - .....

GM between a & b .....

Here, we have to calculate the magnitude of gravitational force between the sun and Jupiter.

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केटो आयो अनि बस्यो .....